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3440023434 = 232191112413
BaseRepresentation
bin1100110100001010…
…1001011110001010
322212202000022000100
43031002221132022
524021121222214
61325203350230
7151150500561
oct31502513612
98782008010
103440023434
111505892581
12800082376
1342a8ca233
14248c28bd8
15152011309
hexcd0a978a

3440023434 has 12 divisors (see below), whose sum is σ = 7453384146. Its totient is φ = 1146674472.

The previous prime is 3440023409. The next prime is 3440023439. The reversal of 3440023434 is 4343200443.

It can be written as a sum of positive squares in only one way, i.e., 1931866209 + 1508157225 = 43953^2 + 38835^2 .

It is a super-2 number, since 2×34400234342 = 23667522452938304712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3440023398 and 3440023407.

It is not an unprimeable number, because it can be changed into a prime (3440023439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 95556189 + ... + 95556224.

Almost surely, 23440023434 is an apocalyptic number.

3440023434 is an abundant number, since it is smaller than the sum of its proper divisors (4013360712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3440023434 is a wasteful number, since it uses less digits than its factorization.

3440023434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191112421 (or 191112418 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 3440023434 is about 58651.7129673124. The cubic root of 3440023434 is about 1509.5718906818.

Adding to 3440023434 its reverse (4343200443), we get a palindrome (7783223877).

The spelling of 3440023434 in words is "three billion, four hundred forty million, twenty-three thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 191112413 382224826 573337239 1146674478 1720011717 3440023434